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RISOn the Aperiodic Signal Amplification by Rescaled Vibrational Resonance in Fractional-Order Duffing Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the former works of Yang et al., they put forward two vibrational resonance (VR) methods in fractional Duffing oscillators to amplify the weak harmonic character signal with arbitrary high-frequency. Moreover, the ...
Adaptive Stochastic Resonance for Bolt Looseness Identification Under Strong Noise Background
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nowadays, a large number of mechanical equipment working in harsh working environment will lead to strong background noise, which makes it difficult to extract feature information related to equipment fault. Bolt joint ...
Motor Bearing Fault Diagnosis in an Industrial Robot Under Complex Variable Speed Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Motor bearing is the key vulnerable part of the servomotor in an industrial robot, which is always arranged at the joint that is the main load area. In the movement process of the robot, motor bearing bears a great impact ...
Bioregenerant for the Regeneration of Waste Asphalt Materials: Exploring Optimal Dosage, Regeneration Efficacy, and Mechanism
Publisher: American Society of Civil Engineers
Abstract: AbstractTo determine the optimal dosage of bioregenerant (BR) and investigate its regeneration
efficacy and mechanism on aged asphalt, regenerated asphalts with different BR dosages
were prepared in this research. First, ...
Blast-Induced Fracture Behavior of a Rock Mass with Discontinuity Subjected to In Situ Stress
Publisher: American Society of Civil Engineers
Abstract: Abstract Deep rock masses are subjected to high in situ stress and also characterized by a
significant presence of discontinuities such as joints and faults. Many studies have
focused on the blast-induced fracture in intact ...
Influence of Poisson White Noise on the Response Statistics of Nonlinear System and Its Applications to Bearing Fault Diagnosis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In view of complex noise background in engineering practices, this paper presents a rescaled method to detect failure features of bearing structure in the Poisson white noise background. To realize the scale transformation ...
On the Weak Signal Amplification by Twice Sampling Vibrational Resonance Method in Fractional Duffing Oscillators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In our former work developed by Yang et al. (2017, “Enhancing the Weak Signal With Arbitrary High-Frequency by Vibrational Resonance in Fractional-Order Duffing Oscillators,” ASME J. Comput. Nonlinear Dyn., 12(5), p. ...